Landforms

2. A natural hole or hollow in the earth.
4. A large body of ice moving slowly down a slope or valley, or spreading outward on a land surface.
7. A land mass with great height and steep sides that is higher than a hill.
9. A piece of land surrounded on nearly all sides by water. It is connected to a larger body of land by a usually narrow strip of land.
12. Where two tectonic plates move toward each other and is pushed upward to form mountains.
14. Where two tectonic plates slide past each other, often causing earthquakes.
16. A triangle of sand and soil deposited at the mouth of some large rivers.
17. A narrow space between rocky cliffs.

1. A long area of low land between mountains or hills. A stream or river often runs through it.
3. A large, flat area of land with few trees.
5. A mound or ridge of coral skeletons and calcium deposits that forms in warm, shallow sea waters.
6. An opening in the earth's crust through which melted rock, ash, and gases are forced out.
8. Where two tectonic plates move away from each other causing rift valleys to form.
10. A high, steep face of rock or earth.
11. A deep valley with steep sides.
12. Where two tectonic plates move toward each other and one goes under the other (subduction) often causing volcanoes.
13. A high, level (flat) area of land.
15. The wide part of a river's lower end, where it meets the sea.